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Finding the Third Proportional to 3,535 and 5,300

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Solution

The third proportional to 3,535 and 5,300 is: 7,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535 : 5,300 = 5,300 : x
  2. Step 2: Convert to fraction form
    3,535/5,300 = 5,300/x
  3. Step 3: Cross multiply
    3,535x = 5,300 × 5,300
  4. Step 4: Simplify right side
    3,535x = 28,090,000
  5. Step 5: Solve for x
    x = 28,090,000/3,535
  6. Step 6: Final answer
    x = 7,946.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.